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Amixture that appears to contain only one substance is a(n) a) always a compound b) heterogeneous mixture c) homogeneous mixture d) always an element
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How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?
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Amixture that appears to contain only one substance is a(n) a) always a compound b) heterogeneous...
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